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The Periodic Table

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  1. 1 18 Group 1 Alkali Metals Group 2 Alkaline Earth Metals Groups 3-12 Transition Metals Group 13 Boron Group Group 14 Carbon Group Group 15 Nitrogen Group Group 16 Oxygen Group Group 17 Halogens Group 18 Noble Gases 2 13 14 15 16 17 Transition Metals The Periodic Table

  2. Group 1 Alkali Metals Group 1 contains all metals They are VERY reactive. They are only found combined with other elements since they are so reactive. They have a low density, are soft, and are silver colored. One Electron in outer shell Potassium Sodium

  3. Group 2 Alkaline Earth Metals Group 2 contains all metals The are VERY reactive, but less reactive than group 1. They have a low density, and are often mixed with other metals. Two Electrons in outer shell Magnesium

  4. Group 3-12 Transition Metals Group 3-12 contains all metals They are less reactive than groups 1 and 2. They are good conductors of thermal energy and heat. The properties of transition metals varies among the different elements. Mercury Titanium Gold

  5. Group 13 Boron Group One Metalloid (semi-metal) and 4 metals They are reactive, yet less reactive than groups 3-12 They are all Solid at room temperature. They have 3 electrons in their outer shell. Aluminum Aluminum

  6. Group 14 Carbon Group 1 nonmetal, 2 metalloids (semi-metals), 2 metals They are all Solid at room temperature. 4 Electrons in Outer shell Tin Wire Lead Silicon

  7. Group 15 Nitrogen Group 2 nonmetals, 2 metalloids (semi-metals), 1 metal They are all Solid at room temperature except for Nitrogen which is a gas. 5 Electrons in Outer Shell Phosphorus

  8. Group 16 Oxygen Group 3 nonmetals, 2 metalloids (semi-metals) Elements in the Oxygen group are reactive. They are all solids at room temperature except for Oxygen which is a gas. 6 Electrons in their outer level Sulfur

  9. Group 17 Halogens There are 4 non-metals and 1 semi-metal They are Very reactive and often combine with elements from group 1. Never found uncombined in nature. 7 Electrons in Outer Shell Iodine Bromine

  10. Group 18 Inert Gases (Noble Gases) Made completely of nonmetals. All are in the gas state at room temperature. Considered to be NOBLE because they are unreactive. Outer Electron Shell is full. 8 Electrons Neon Helium

  11. Hydrogen Most Simple Atom Reactive with Oxygen Colorless, odorless Low Density 1 Electron in outer shell